Struct SeqString 

pub struct SeqString { /* private fields */ }

String that tracks its allocation source

Safety Invariants

• If global=true: ptr points to global-allocated String, must be dropped
• If global=false: ptr points to thread-local arena, no drop needed
• ptr + len must form a valid UTF-8 string
• For global strings: capacity must match the original String’s capacity

Implementations

impl SeqString

pub fn as_str(&self) -> &str

Get string slice

Safety

ptr + len must point to valid UTF-8. This is guaranteed by constructors.

pub fn is_global(&self) -> bool

Check if this string is globally allocated

pub fn len(&self) -> usize

Get length in bytes

pub fn is_empty(&self) -> bool

Check if empty

Trait Implementations

impl Clone for SeqString

fn clone(&self) -> Self

Clone always allocates from global allocator for Send safety

This ensures that when a String is sent through a channel, the receiving strand gets an independent copy that doesn’t depend on the sender’s arena.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for SeqString

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Display for SeqString

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Drop for SeqString

fn drop(&mut self)

Executes the destructor for this type.

impl From<&str> for SeqString

Convert &str to SeqString using arena allocation

fn from(s: &str) -> Self

Converts to this type from the input type.

impl From<String> for SeqString

Convert String to SeqString using global allocation

fn from(s: String) -> Self

Converts to this type from the input type.

impl PartialEq for SeqString

fn eq(&self, other: &Self) -> bool

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl Eq for SeqString

impl Send for SeqString